Efficiency
- Reduction of noise generation at the source by proper selection & instalation Equipment
- Reduction of noise transmission from point to point
- Reduction of noise at the receiver
Using a 18" double brick wall to convert theater acoustical energy into a less disturbing form of energy Masonry Wall Properties
TL- Barrier transmission loss (@500 dB)= 58
S- Area of the barrier = L27ft x H23ft = 621sq. ft
Ar- Total absorption of the receiving room (sabins) = 2253
Noise Control
Efficiency
- Reduction of noise generation at the source by proper selection & instalation Equipment
- Reduction of noise transmission from point to point
- Reduction of noise at the receiver
Using a 18" double brick wall to convert theater acoustical energy into a less disturbing form of energy
Masonry Wall Properties
Wall Designation - W23
Tickness- 18"
Weight - 120 lb/sq.ft
STC- 62
Noise Reduction
NR= TL -10 log (S/ Ar)
TL- Barrier transmission loss (@500 dB)= 58
S- Area of the barrier = L27ft x H23ft = 621sq. ft
Ar- Total absorption of the receiving room (sabins) = 2253
@500dB
Ar= Floor 1437sq.ft (.57) = 819.09
Seats 682sq.ft (.88) = 600.16
Walls 3059sq.ft (.03) = 91.77
Doors 96sq.ft (.09) = 8.64
Ceiling 1437sq.ft (.51) = 732.87
Ar = 2252.47
NR=TL-10log(S/ Ar) = 58-10log(621/ 2253) = 63.6
@ 500db the Wall Transmission Loss is 58,the original value applied